“…SNT/A has been applied to almost every area of health research, including physician behavior (15,29,41), adolescent risk taking (30), obesity and physical activity (16), bullying (62), communitybased participatory research (85), policy diffusion (84), interorganizational relations (25,49,68), and community coalitions (82) among other things. The methods and settings have also been quite varied, including social support scales (36), egocentric studies (64), snowball-type studies (32), organizational ones (93), and studies in both developed-and developing-country contexts (27,46).…”